The state of knowing nothing; ignorance. / A perverse admiration or embrace of ignorance.

In something's current form, which is familiar to the speaker and listener.

present participle of know better

plural of know everything

(South Asia) let's learn, find out, or see [about] / (colloquial, rare) let us know, get back to us, keep us posted (often us in sense me)

(idiomatic) To ask (used as a dialogue marker or introductory statement).

The attitude of a know-it-all.

For success, and especially to obtain employment, one's knowledge and skills are less useful and less important than one's network of personal contacts.

(chiefly US, in negative constructions) To know something, even if only a little, about. / (chiefly US, idiomatic) To know nothing, or almost nothing, about.

The name of something the speaker does not want to mention, but which is known, or very likely to be known, to the listener. It can be plural (as in "... the you-know-whats").